From ac13b6b7c0ca6cdeae16e8456d8e5467bf3ce60c Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 26 Nov 2009 17:11:16 +0100 Subject: [PATCH] --- yaml --- r: 172867 b: refs/heads/master c: 9cd13bdbae5d83399c375b34ee1eb35e16c10568 h: refs/heads/master i: 172865: 71910f605714705fe76a085618a9f1578ef07420 172863: 1cabe66632c30f8f1b1638391b73b03b1e83234b v: v3 --- [refs] | 2 +- trunk/drivers/ata/libata-core.c | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 5e366d7c9737..07b4cd199951 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 5600c70e576199a7552e1c0fff43f3fe16f5566e +refs/heads/master: 9cd13bdbae5d83399c375b34ee1eb35e16c10568 diff --git a/trunk/drivers/ata/libata-core.c b/trunk/drivers/ata/libata-core.c index dc72690ed5db..22ff51bdbc8a 100644 --- a/trunk/drivers/ata/libata-core.c +++ b/trunk/drivers/ata/libata-core.c @@ -6616,6 +6616,13 @@ static int __init ata_init(void) { ata_parse_force_param(); + /* + * FIXME: In UP case, there is only one workqueue thread and if you + * have more than one PIO device, latency is bloody awful, with + * occasional multi-second "hiccups" as one PIO device waits for + * another. It's an ugly wart that users DO occasionally complain + * about; luckily most users have at most one PIO polled device. + */ ata_wq = create_workqueue("ata"); if (!ata_wq) goto free_force_tbl;